  window.onload = function ()
        {
            window.bar4 = new RGraph.Bar('feulBar', [[21,31],[13, 43],[42, 25],[42, 29],[59, 28],[40, 10]])
                .Set('colors', ['#2A17B1', '#98ED00'])
                .Set('labels', ['2007', '2008', '2009', '2010', '2011', '2012'])
                .Set('numyticks', 5)
                .Set('ylabels.count', 5)
                .Set('gutter.left', 35)
                .Set('variant', '3d')
                .Set('strokestyle', 'transparent')
                .Set('hmargin.grouped', 0)
                .Set('scale.round', true)
                .Draw();
        }
